Riley's 'big' mistake opens door for Dallas

One of the differences in this series was supposed to be the Heat's experience in the crucible of the Finals compared to that of the untested Mavs. And nowhere was this difference more glaring than in the coaching box. Pat Riley has won four championships and been to eight NBA Finals as a head coach, while Mavs coach Avery Johnson is in only his first full season.

So it was a bit surprising in Game 1 to see Riley, not Johnson, making the big gaffe.